Home / 19,058,409.12-28,592,949.88-7,706,829.36

Finding the Fourth Proportional to 19,058,409.12, 28,592,949.88 and 7,706,829.36

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Solution

The fourth proportional to 19,058,409.12, 28,592,949.88 and 7,706,829.36 is: 11,562,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,058,409.12 : 28,592,949.88 = 7,706,829.36 : x
  2. Step 2: Convert to fraction form
    19,058,409.12/28,592,949.88 = 7,706,829.36/x
  3. Step 3: Cross multiply
    19,058,409.12x = 28,592,949.88 × 7,706,829.36
  4. Step 4: Simplify right side
    19,058,409.12x = 220,360,985,624,192.47
  5. Step 5: Solve for x
    x = 220,360,985,624,192.47/19,058,409.12
  6. Step 6: Final answer
    x = 11,562,401.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.